Share 'What's the Mystery Find on Mars?'

Scientists working on NASA's six-wheeled rover on Mars have a problem. But it's a good problem.
They have some exciting new results from one of the rover's instruments. On the one hand, they'd like to tell everybody what they found, but on the other, they have to wait because they want to make sure their results are not just some fluke or error in their instrument.
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John Grotzinger, the princi…